cross dissolve transition problem

[RedSpeck09]

I'm having a problem with some transitions. I've got a short movie i'm working on and i'm using cross dissolves for the transitions. what happens is when i export the final video and watch it, the clip will fade to the next picture, but after it finishes the fade, there is a frame that flashes up. this frame is the picture that just passed. it only does this in the final product. it doesnt do it in the timeline. i've checked to make sure the endings of the frames match up and they do. i just can't figure this out. any help would be appreciated. thanks.

Brian

 

[Akribie]

This can happen if the sense of the transition is back to front. Check the direction matches what you want.

If that's not it, it would be helpful to know which version of Premiere you are using and how you are judging the lack of an extra frame at the edge.

 

[LRSmith]

It certainly sounds like the clip you are transitioning from surpasses the cross-dissolve transition by a frame or so. Have you zoomed in to 1-2 frame spacing to ensure it fits exactly?

If so, you might try stopping the first clip a frame or two short of the transition's end and see if that has an effect.

 

[RedSpeck09]

I checked and the transition is going in the correct direction. I had put one in backwards by accident and corrected it. I have zoomed in to 1 frame spacing and use the snap to edge feature to align the clips. After I render them, I'll preview them frame by frame and there is not a problem. I've tried leaving the clip short and a black image occurs. I'm using premiere 6.0.

 

[Akribie]

If you have no extra frames, the transition is aligned at the end of the upper clip, and the transition is in the correct sense, you will not get a flash.

If you really are using Premiere 6.0, then it would be a good idea to upgrade using the free download of 6.01, or 6.02 if you have problems under XP. Cures some subtle bugs.

 

[RedSpeck09]

I have no extra framed, and the transition is aligned at the end of the upper clip. i went through and redid all of the transitions by placing the clips in the correct positions, and then dragging in the cross dissolve from the transition pallate like it told me to do in the book that I have. I'll try to upgrade the version I have and see if that helps.

 

[Akribie]

I've lost track fo results of trying the various suggestions. Are you still seeing the flash or not?

 

[RedSpeck09]

yes, the flash is still present. I installed the updates but I havent done anything since then. Am I going to have to go through and redo the transitions again with the updates installed or should I just render it again and export it?

 

[Akribie]

I doubt very much if the updates have any relevance to this issue. In any event, although you might want to re-render, you do not have to re-edit the timeline.

If you have examined the transitions at one-frame timeline resolution in A/B edit mode and are certain that there is no extra frame on the upper clip, and the sense is correct, then it is not normal Premiere behaviour to get a flash at the end of the transition.

Those who edit in single track mode (ie V1 collapsed) often find unwanted frames appearing in transitions because they inadvertently intrude into adjacent scenes in the same clip. Much better,, IMO, to use A/B edit mode so you can see exactly what is going on.

Whatever method you sue, is there any chance that you are looking at one frame of another shot in the same clip?

 

[RedSpeck09]

I'm using a/b edit mode to do this. the frame that is flashing up is from what the dissolve is starting from, if that makes sense. I made a short clip to show what the problem is. Hopefully this will help in finding a solution.

http://www.stang.cc/tmcaalbums/Misc-pics/practice_2.wmv

 

[Akribie]

It looks to me as though you have a setup problem on the timeline.

Please post a JPG of the end of a timeline section where the flash is occurring at one frame resolution, and another showing the whole transition.

 

[RedSpeck09]

will do. i'm at school right now but i only have one more class. i'll do it when i get home.

 

[RedSpeck09]

here are some pictures of the transition. the ones of the beginning and end are at a 1 frame resolution. the whole transition is at a 2 frame resolution. I can get more pictures if I need to. Thanks for the help.

http://www.stang.cc/tmcagallery/Misc-pics/Transition_1_beginning?full=1

http://www.stang.cc/tmcagallery/Misc-pics/Transition_1_end?full=1

http://www.stang.cc/tmcagallery/Misc-pics/whole_transition?full=1

 

[Akribie]

Thanks for the excellent pictures. As far as I can see from them, there is nothing at all wrong.

I wonder if you have some left-over render files reserving previous edit state.

Try holding CTRL+SHIFT+ALT and moving the cursor over the time bar in the timeline until you get a dustbin cursor and then clicking. That will kill all renders. Render again and see it that fixes it.

If not, then I confess I am at a loss as to what is causing your problem unless you are using a proprietary capture card and there is a bug in their driver somewhere. If so, you could try asking on the manufacturer's forum to see if it is equipment specific.

 

[Akribie]

Couple of other thoughts.

The WMV doesn't allow me to pause and single step. If you still end up with the problem, it would be helpful to someone trying to debug to know exactly what it is that is seen in the one-frame flash.

If the JPGs you are using are quite large, it would also be worth trying re-sampling them to project dimensions outside Premiere to see if that made any difference.

 

[RedSpeck09]

I am at a loss as well. I did something in the practice clip, moved some things around, but nothing major and it fixed it. The problem is, I have not been able to replicate it again. What is being seen in the flash appears to be whatever is being transitioned out of. Its an frame of the image or clip that is being transitioned out of. I'll try messing with the image size and see it that helps. It might also be my computer. Its not exactly set up for video editing. I need to upgrade a few things on it.

 

[Akribie]

I doubt it is your computer if the problem is visible on WMV output. Realtime, maybe, if files are excessively fragmented, but not in exported files.

From what you say, I suspect you had some misplaced preview files, which is not an unknown problem with older versions of Premiere. Moving things around forces a rebuild and the problem disappears.

Anyway, glad you are back in business at last!

Good luck.